collaborators

5 papers

stat.ME2026

MCMC-Free Uncertainty Quantification for Deep Generative Inference for Spatially Varying Coefficient Models at Scale

Yeseul Jeon, Aaron Scheffler, Rajarshi Guhaniyogi

Varying coefficient (VC) regression models have become indispensable tools in spatial data analysis, providing unmatched flexibility in capturing complex, nonlinear relationships a…

cs.LG2026

Marginally Correct Tool Caches Can Reverse Group-Normalized Policy Updates

Shivam Gupta

Tool-result caching reduces repeated execution in agent training, but also couples rollout randomness. We study a two-action model in which independent and shared execution preserv…

stat.ME2026

Uncertainty-Aware Neural Multivariate Geostatistics

Yeseul Jeon, Aaron Scheffler, Rajarshi Guhaniyogi

We propose Deep Neural Coregionalization, a scalable framework for uncertainty-aware multivariate geostatistics. DNC models multivariate spatial effects through spatially varying l…

stat.ME2025

Deep Generative Modeling with Spatial and Network Images: An Explainable AI (XAI) Approach

Yeseul Jeon, Rajarshi Guhaniyogi, Aaron Scheffler

This article addresses the challenge of modeling the amplitude of spatially indexed low frequency fluctuations (ALFF) in resting state functional MRI as a function of cortical stru…

stat.ME2025

Interpretable Deep Neural Network for Modeling Functional Surrogates

Yeseul Jeon, Rajarshi Guhaniyogi, Aaron Scheffler +2

Developing surrogates for computer models has become increasingly important for addressing complex problems in science and engineering. This article introduces an artificial intell…